The panda's dark circles are funny and cute.

In recent years? Kung fu panda? It has become a hot topic, and the image of the lovely panda Po has been deeply rooted in people's hearts and loved by people all over the world. The following funny and lovely pictures of panda's dark circles are provided by me, hoping to help everyone.

Funny pictures with panda black eyes.

Cute picture of panda's dark circles.

Breeding mode of giant panda

Wild pandas live in dense forests. When they grow to a certain stage, they must mate and have children, that is, estrus, courtship, mating, pregnancy and childbirth. Pandas usually live alone, but in the breeding season, males and females attract each other and start various courtship activities in the dense bamboo forest. Panda is a multi-male competition. They have a small number of babies in their lifetime, and babies are not easy to survive. Due to the high specialization of giant panda's reproductive ability and feeding behavior, the population growth of giant pandas is very slow. [6]

In captivity, the female giant panda is about 4 years old, the male giant panda is about 6 years old, and the sexual maturity of the wild giant panda is a little late. Giant pandas generally live alone except in estrus mating season, and each has its own activity area. [ 19]

Female giant pandas are in estrus once a year, each time lasting only 2-3 days, and the estrus period is usually from March to May every year. Adult male and female pandas gradually gather in one place through olfactory communication (by leaving odor marks and odor marks), get to know each other and attract each other. At the climax of estrus, they express their love through continuous baa, birdsong, waiting posture and other auditory and visual communication ways, so as to achieve the purpose of pairing and mating. There are sometimes as many as 2-5 male giant pandas who have successfully mated with the same female giant panda through fighting, and there are also cases where only one male has mated with a female giant panda. Mating is mostly on the ground, but also on trees. There are also sub-adult and weakly mated giant pandas watching and learning at the mating site. The estrus behavior of male giant pandas occurs with the estrus behavior of female giant pandas, and it also reaches its climax. In the same estrus, a male panda can mate with multiple females, and the same female panda can also accept the mating of multiple males, so the marriage in the panda world is polygamous. After mating, male and female pandas live separately again, and pregnancy, childbirth and rearing are all done by female pandas alone. [ 19]

For the safety of the next generation, the giant panda who gave birth to its mother changed her docile temper and was very vigilant. No animals (including people) were allowed to approach its sacred baby. [6]

The gestation period of giant pandas is 83-200 days, and the cubs are usually born around August. The nests where they are born are usually hidden tree holes or natural caves, and branches and hay are carefully laid by their mothers. [20]

The most peculiar thing about giant panda breeding is that its newborn is quite immature at birth, weighing only 0. 1% of its mother's weight. Newborns are very light, with an average birth weight of about145g, which is about one thousandth of the adult giant panda's weight, ranging from 5 1 g to 225g. For female giant pandas, it is a very arduous task to take care of their children, which usually lasts 18 months, sometimes even as long as two years, until her next child is born. [20]

The newborn giant panda has pink skin and sparse white hair. In the first few weeks of life, the mother panda will always hold her baby in her arms, keep her baby warm and protect her baby, and almost never leave her mouth. At this point, captive giant pandas are the same as wild giant pandas. If you see mother panda licking her baby, it's probably helping the baby defecate. During the breeding period of giant pandas, the cry of cubs is a very important communication tool between mothers and cubs. The cubs want to eat milk, defecate, be cold or overheated or feel unwell for other reasons. Cubs remind their mothers to meet their different needs through different calls. 1-2 weeks later, the dark hair began to deepen. Within a month, they slowly grow black ears, eyes, legs and shoulder straps and become more like their mother. When the cubs are 6-8 weeks old, they can open their eyes and start teething; You can climb slowly in three months. [20]

In the wild, if twins are born (in captivity, the proportion of giant pandas giving birth to twins is nearly 50%), the mother panda usually ignores or rejects the weaker one, so that at least one can survive. In the case of captivity, artificial breeding will be carried out, and the technology of changing cubs will be adopted to make all giant panda cubs survive as much as possible.

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